1. Department of Biomedical Sciences, Seoul National University College of Medicine, 103 Daehak-ro, Jongro-gu, Seoul 03080, Korea
2. Department of Biomedical Engineering, Seoul National University College of Engineering, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
3. Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro, Songpa-gu, Seoul 05505, Korea